.multiple-level {
  .level-1 {
    border-left  : 5px solid #0ff;
    margin-bottom: 1rem;
  }

  .level-2 {
    margin-left: 1rem;
  }

  .level-3 {
    margin-left: 2rem;
  }

  .level-4 {
    margin-left: 3rem;
  }
}

.table-box {
  width   : 100%;
  overflow: scroll;

  table {
    border-collapse: collapse;

    tr {
      td {
        border     : 1px solid;
        white-space: nowrap;
      }
    }
  }
}